#define _CRT_SECURE_NO_WARNINGS 1
#include <math.h>
#include <stdio.h>

int main() {
    float a = 0;
    float b = 0;
    scanf("%f %f", &a, &b);
    float c = a / (float)pow(b, 2);
    if (c <= 23.9 && c >= 18.5)
    {
        printf("Normal\n");
    }
    else {
        printf("Abnormal\n");
    }
    return 0;
}